On Merle Dandridge's home page (the voice of Alyx) she has a trailer for HL2. It's 6 minutes long and ummm i KNOW i haven't seen it before. You may have But hmmm. Nothing to ground breaking in it (Actually I didn't even finish it). Quality is decent. Music is seriously badass. Here's the link: http://www.merledandridge.com/HalfLife2Trailer.mpeg (60 megs)